Once thought to be a common bird on Cozumel Island, the Cozumel thrasher suffered significant declines after hurricane Gilbert tore through the island in 1988, and only three individuals were found in the following seven years. After another hurricane in 1995, no thrashers were found in annual surveys until an individual was discovered in 2004 (2). The devastating effect of hurricanes remains a primary threat to any remaining, small population. However, it is believed other threats must have contributed to the decline of this species, as it is likely to have survived hurricanes for millions of years. Introduced predators, especially boas which were released onto the island in 1971, may have had a significant impact on Cozumel thrashers (4). Whilst large areas of forest remain on Cozumel Island, the ubiquitous threat of human development and associated habitat loss and degradation, is likely to increase pressures on this critically endangered species (3) (4).